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  1. JDK
  2. JDK-6814140

deadlock due to synchronized demandLogger() code that locks ServerLogManager

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        This seems to be a two fault issue (JDK and appserver). It has been verified that the problem starts to happen with JDK 6u11 first. I'm not able to reproduce the issue with 6u10.

        Found one Java-level deadlock:
        =============================
        "Thread-0":
          waiting to lock monitor 0x00c400e0 (object 0xdaad2f30, a com.sun.enterprise.server.logging.ServerLogManager),
          which is held by "pool-1-thread-7"
        "pool-1-thread-7":
          waiting to lock monitor 0x000c75a0 (object 0xdb842788, a com.sun.enterprise.loader.EJBClassLoader),
          which is held by "pool-1-thread-3"
        "pool-1-thread-3":
          waiting to lock monitor 0x00c400e0 (object 0xdaad2f30, a com.sun.enterprise.server.logging.ServerLogManager),
          which is held by "pool-1-thread-7"

        Java stack information for the threads listed above:
        ===================================================
        "Thread-0":
                at java.util.logging.LogManager$Cleaner.run(LogManager.java:208)
                - waiting to lock <0xdaad2f30> (a com.sun.enterprise.server.logging.ServerLogManager)
        "pool-1-thread-7":
                at java.lang.ClassLoader.loadClass(ClassLoader.java:296)
                - waiting to lock <0xdb842788> (a com.sun.enterprise.loader.EJBClassLoader)
                at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
                at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1480)
                at java.util.ResourceBundle$Control.newBundle(ResourceBundle.java:2383)
                at java.util.ResourceBundle.loadBundle(ResourceBundle.java:1406)
                at java.util.ResourceBundle.findBundle(ResourceBundle.java:1365)
                at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1234)
                at java.util.ResourceBundle.getBundle(ResourceBundle.java:962)
                at java.util.logging.Logger.findResourceBundle(Logger.java:1257)
                - locked <0xd1cd4968> (a java.util.logging.Logger)
                at java.util.logging.Logger.setupResourceInfo(Logger.java:1312)
                - locked <0xd1cd4968> (a java.util.logging.Logger)
                at java.util.logging.Logger.getLogger(Logger.java:312)
                - locked <0xf026cd28> (a java.lang.Class for java.util.logging.Logger)
                at com.sun.enterprise.server.logging.BaseLogManager.doInitializeLogger(BaseLogManager.java:125)
                at com.sun.enterprise.server.logging.BaseLogManager.addLogger(BaseLogManager.java:195)
                - locked <0xdaae06d0> (a java.util.ArrayList)
                at java.util.logging.LogManager.demandLogger(LogManager.java:318)
                - locked <0xdaad2f30> (a com.sun.enterprise.server.logging.ServerLogManager)
                at java.util.logging.Logger.getLogger(Logger.java:309)
                - locked <0xf026cd28> (a java.lang.Class for java.util.logging.Logger)
                at com.sun.faces.util.Util.getLogger(Util.java:241)
                at com.sun.faces.util.Util.<clinit>(Util.java:94)
                at com.sun.faces.config.ConfigureListener.<clinit>(ConfigureListener.java:193)
                at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
                at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
                at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
                at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
                at java.lang.Class.newInstance0(Class.java:355)
                at java.lang.Class.newInstance(Class.java:308)
                at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4576)
                at org.apache.catalina.core.StandardContext.start(StandardContext.java:5312)
                - locked <0xdc70c008> (a com.sun.enterprise.web.WebModule)
                at com.sun.enterprise.web.WebModule.start(WebModule.java:353)
                - locked <0xdc70c008> (a com.sun.enterprise.web.WebModule)
                at com.sun.enterprise.web.LifecycleStarter.doRun(LifecycleStarter.java:58)
                at com.sun.appserv.management.util.misc.RunnableBase.runSync(RunnableBase.java:304)
                at com.sun.appserv.management.util.misc.RunnableBase.run(RunnableBase.java:341)
                at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
                at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
                at java.util.concurrent.FutureTask.run(FutureTask.java:138)
                at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
                at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
                at java.lang.Thread.run(Thread.java:619)
        "pool-1-thread-3":
                at java.util.logging.LogManager.initializeGlobalHandlers(LogManager.java:887)
                - waiting to lock <0xdaad2f30> (a com.sun.enterprise.server.logging.ServerLogManager)
                at java.util.logging.LogManager.access$900(LogManager.java:129)
                at java.util.logging.LogManager$RootLogger.getHandlers(LogManager.java:1010)
                at java.util.logging.Logger.log(Logger.java:454)
                at org.eclipse.persistence.logging.JavaLog.internalLog(JavaLog.java:290)
                at org.eclipse.persistence.logging.JavaLog.log(JavaLog.java:261)
                at org.eclipse.persistence.internal.sessions.AbstractSession.log(AbstractSession.java:2453)
                at org.eclipse.persistence.internal.sessions.AbstractSession.log(AbstractSession.java:3502)
                at org.eclipse.persistence.internal.sessions.AbstractSession.log(AbstractSession.java:3477)
                at org.eclipse.persistence.internal.sessions.AbstractSession.log(AbstractSession.java:3456)
                at org.eclipse.persistence.internal.sessions.AbstractSession.log(AbstractSession.java:3387)
                at org.eclipse.persistence.internal.weaving.PersistenceWeaver.transform(PersistenceWeaver.java:81)
                at com.sun.enterprise.loader.EJBClassLoader.findClass(EJBClassLoader.java:674)
                at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
                - locked <0xdb842788> (a com.sun.enterprise.loader.EJBClassLoader)
                at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
                at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
                - locked <0xdb842788> (a com.sun.enterprise.loader.EJBClassLoader)
                at java.lang.Class.forName0(Native Method)
                at java.lang.Class.forName(Class.java:247)
                at org.eclipse.persistence.internal.security.PrivilegedAccessHelper.getClassForName(PrivilegedAccessHelper.java:86)
                at org.eclipse.persistence.descriptors.ClassDescriptor.convertClassNamesToClasses(ClassDescriptor.java:956)
                at org.eclipse.persistence.sessions.Project.convertClassNamesToClasses(Project.java:289)
                at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:200)
                - locked <0xdbad1ad8> (a org.eclipse.persistence.sessions.server.ServerSession)
                at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:69)
                - locked <0xdc27e9e0> (a org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl)
                at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:118)
                - locked <0xdc27e9e0> (a org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl)
                at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:108)
                at com.sun.enterprise.util.EntityManagerWrapper._getDelegate(EntityManagerWrapper.java:181)
                at com.sun.enterprise.util.EntityManagerWrapper.createNativeQuery(EntityManagerWrapper.java:413)
                at be.ucl.gestionAnEnCours.dao.impl.SecuriteDAO.getAllSigleStructure(SecuriteDAO.java:178)
                at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
                at java.lang.reflect.Method.invoke(Method.java:597)
                at com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1011)
                at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:175)
                at com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:2920)
                at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4011)
                at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:197)
                at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:83)
                at $Proxy67.getAllSigleStructure(Unknown Source)
                at be.ucl.gestionAnEnCours.domain.service.SecuriteManagerImpl.getAllSigleStructure(SecuriteManagerImpl.java:164)
                at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
                at java.lang.reflect.Method.invoke(Method.java:597)
                at com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1011)
                at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:175)
                at com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:2920)
                at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4011)
                at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:197)
                at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:83)
                at $Proxy45.getAllSigleStructure(Unknown Source)
                at be.ucl.gestionAnEnCours.plugin.ConfigProgPlugin.init(ConfigProgPlugin.java:48)
                at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java:871)
                at org.apache.struts.action.ActionServlet.init(ActionServlet.java:359)
                at javax.servlet.GenericServlet.init(GenericServlet.java:270)
                at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1194)
                - locked <0xdcfca068> (a org.apache.catalina.core.StandardWrapper)
                at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1023)
                - locked <0xdcfca068> (a org.apache.catalina.core.StandardWrapper)
                at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4917)
                at org.apache.catalina.core.StandardContext.start(StandardContext.java:5324)
                - locked <0xdc7146e8> (a com.sun.enterprise.web.WebModule)
                at com.sun.enterprise.web.WebModule.start(WebModule.java:353)
                - locked <0xdc7146e8> (a com.sun.enterprise.web.WebModule)
                at com.sun.enterprise.web.LifecycleStarter.doRun(LifecycleStarter.java:58)
                at com.sun.appserv.management.util.misc.RunnableBase.runSync(RunnableBase.java:304)
                at com.sun.appserv.management.util.misc.RunnableBase._submit(RunnableBase.java:176)
                at com.sun.appserv.management.util.misc.RunnableBase.submit(RunnableBase.java:192)
                at com.sun.enterprise.web.VirtualServer.startChildren(VirtualServer.java:1742)
                at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1247)
                - locked <0xdb142e60> (a com.sun.enterprise.web.VirtualServer)
                at org.apache.catalina.core.StandardHost.start(StandardHost.java:971)
                - locked <0xdb142e60> (a com.sun.enterprise.web.VirtualServer)
                at com.sun.enterprise.web.LifecycleStarter.doRun(LifecycleStarter.java:58)
                at com.sun.appserv.management.util.misc.RunnableBase.runSync(RunnableBase.java:304)
                at com.sun.appserv.management.util.misc.RunnableBase.run(RunnableBase.java:341)
                at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
                at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
                at java.util.concurrent.FutureTask.run(FutureTask.java:138)
                at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
                at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
                at java.lang.Thread.run(Thread.java:619)

        Found 1 deadlock.

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                Assignee:
                poonam Poonam Bajaj Parhar
                Reporter:
                ohey Olaf Hey (Inactive)
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